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13403255345 = 517157685357
BaseRepresentation
bin11000111101110010…
…10111001000110001
31021121002120220210122
430132321113020301
5204422213132340
610053554140025
7653100535124
oct143671271061
937532526718
1013403255345
115758874137
122720881615
131357ab2c2c
1491213a3bb
15536a59db5
hex31ee57231

13403255345 has 8 divisors (see below), whose sum is σ = 17030018664. Its totient is φ = 10091862784.

The previous prime is 13403255297. The next prime is 13403255353. The reversal of 13403255345 is 54355230431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1424609536 + 11978645809 = 37744^2 + 109447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13403255345 - 224 = 13386478129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78842594 + ... + 78842763.

It is an arithmetic number, because the mean of its divisors is an integer number (2128752333).

Almost surely, 213403255345 is an apocalyptic number.

It is an amenable number.

13403255345 is a deficient number, since it is larger than the sum of its proper divisors (3626763319).

13403255345 is a wasteful number, since it uses less digits than its factorization.

13403255345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157685379.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 13403255345 its reverse (54355230431), we get a palindrome (67758485776).

The spelling of 13403255345 in words is "thirteen billion, four hundred three million, two hundred fifty-five thousand, three hundred forty-five".

Divisors: 1 5 17 85 157685357 788426785 2680651069 13403255345